Re: [PATCH 1/4] client: return stripe address replicas

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----- Original Message -----
> From: "Tommi Virtanen" <tommi.virtanen@xxxxxxxxxxxxx>
> To: "Noah Watkins" <jayhawk@xxxxxxxxxxx>
> Cc: "ceph-devel" <ceph-devel@xxxxxxxxxxxxxxx>
> Sent: Wednesday, November 9, 2011 1:36:28 PM
> Subject: Re: [PATCH 1/4] client: return stripe address replicas
> On Tue, Nov 8, 2011 at 18:39, Noah Watkins <jayhawk@xxxxxxxxxxx>
> wrote:
> > + /* naddr == 0: drop through and return actual size */
> > + if (naddr && (address.size() > (unsigned)naddr))
> 
> I have to say I'm not completely comfortable with the magicness of
> naddr==0, mostly because I haven't seen other APIs do it like that.

I'm with you, I haven't seen it -- atleast I couldn't find a good
example in libc. I guess it's technically a special case as 0 would
be too small and the user would expect ERANGE. I'm pretty neutral on
this as it's for pretty specialized users.
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